The agency is shaking up its board and last week it appointed Buckingham Schenk boss Jon Pepper MW as its new buying and retail director.
Munday has headed the marketing department at Hallgarten Druitt for two years and previously worked at PLB and Thresher.
She said: “I have closely followed the fortunes of Enotria for some time and this is a perfect time and opportunity to add vision and excitement to the business by instigating a premium marketing programme.
“I am really looking forward to working with the team there to invigorate and build on the success of the business and develop the companies leading position within the industry.”
Enotria chief executive Troy Christensen said: “Enotria aspires to be the market leader when it comes to working closely with our producer partners to build brands and leveraging robust consumer insight to improve the business performance of our customers.
“Accordingly we are investing to develop and increase our Marketing function and Helen will help bring about this step change in our business. Helen has in-depth knowledge of marketing and business strategy, consumer insight, brand development, new product development and public relations across all channels and origins in the UK market. Her breadth of experience encompasses retail, product development and brand building, together with experience in premium wine, spirits and beer.
“She has delivered key success in each of the businesses she has worked in, and we look forward to her continuing this trend at Enotria. We are excited about the future and look forward to welcoming Helen to the team.”